Kisspeptin vs Oxytocin vs Gonadorelin
Mechanism, receptor target, half-life, dose, and best-price vendor side by side.
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| Field | Kisspeptin | Oxytocin | Gonadorelin |
|---|---|---|---|
| Receptor target | Kiss1R (GPR54) — HPG axis | Oxytocin receptor (OXTR) | GnRH receptor (GnRHR) — pituitary gonadotrophs |
| Mechanism class | hormone analog | hormone analog | hormone analog |
| Half-life | ~30 minutes | ~3–5 minutes | ~2–10 min distribution, ~10–40 min terminal |
| Typical dose | 1–5 mcg/kg IV / 1 mg SC | 10–40 IU intranasal | 100 mcg SC (community convention, not a trial dose) |
| Sequence length | 10 residues | 9 residues | 10 residues |
| Best-price vendor | Ion Peptide → $39.00 (10mg) — $3.90/mg | Glacier Aminos → $55.99 (10mg) — $5.60/mg | Swiss Chems → $24.95 (2mg) — $12.47/mg |
| See all vendors | /best/kisspeptin → | /best/oxytocin → | /best/gonadorelin → |
Dig deeper
Pricing pulls live from our vendor database. Molecular data comes from published peptide literature. For full dosing protocols, side effects, and research citations, open each peptide's individual page.